import java.sql.Connection;  
import java.sql.DriverManager;  
import java.sql.PreparedStatement;  
import java.sql.ResultSet;  
import java.sql.SQLException;  
import java.sql.Statement;  
import java.sql.*;
public class JDBCUtlTool {
  public static void main(String args[]) {
    try {
      Class.forName("com.mysql.jdbc.Driver");     //加载MYSQL JDBC驱动程序   
     System.out.println("Success loading Mysql Driver!");
    }
    catch (Exception e) {
      System.out.print("Error loading Mysql Driver!");
      e.printStackTrace();
    }
    try {
      Connection connect = DriverManager.getConnection(
          "jdbc:mysql://localhost:3306/test","root","ab1234CD");
           //连接URL为   jdbc:mysql//服务器地址/数据库名  ，后面的2个参数分别是登陆用户名和密码
      System.out.println("Success connect Mysql server!");
      Statement stmt = connect.createStatement();
      ResultSet rs = stmt.executeQuery("select * from users");
      System.out.println(rs);                                                     //user 为你表的名称
      while (rs.next()) {
    	  System.out.print("卡号:"+rs.getString("Id")+"  ");
	      System.out.print("用户名:"+rs.getString("name")+"  ");
	      System.out.println("密码:"+rs.getString("password"));
      }
    }
    catch (Exception e) {
      System.out.print("get data error!");
      e.printStackTrace();
    }
  }
}

